Sulfide - Nomenclature. 1  The systematic names sulfanediide and sulfide (2â), valid IUPAC names, are determined according to the substitutive and additive nomenclatures, respectively.
Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as Nuclear Weapon States by the Treaty on the Non-Proliferation of Nuclear Weapons, also known as the Nuclear Non-Proliferation Treaty or NPT.
nuclear. adj. 1. (General Physics) of, concerned with, or involving the nucleus of an atom: nuclear fission. 2. (Biology) biology of, relating to, or contained within the nucleus of a cell: a nuclear membrane. 3. of, relating to, forming, or resembling any other kind of nucleus. 4. (General Physics) of, concerned with, or operated by energy from fission or fusion of atomic nuclei: a nuclear weapon.